Home / 9,445.28-13,030.08-5,666.72

Finding the Fourth Proportional to 9,445.28, 13,030.08 and 5,666.72

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Solution

The fourth proportional to 9,445.28, 13,030.08 and 5,666.72 is: 7,817.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,445.28 : 13,030.08 = 5,666.72 : x
  2. Step 2: Convert to fraction form
    9,445.28/13,030.08 = 5,666.72/x
  3. Step 3: Cross multiply
    9,445.28x = 13,030.08 × 5,666.72
  4. Step 4: Simplify right side
    9,445.28x = 73,837,814.94
  5. Step 5: Solve for x
    x = 73,837,814.94/9,445.28
  6. Step 6: Final answer
    x = 7,817.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.